Storage pools
This chapter describes how IBM SAN Volume Controller manages physical storage resources. All storage resources that are under system control are managed by using storage pools or managed disk (MDisk) groups (MDGs).
Storage pools aggregate internal and external capacity and provide the containers in which you can create volumes. Storage pools make it easier to dynamically allocate resources, maximize productivity, and reduce costs.
You can configure storage pools through the management GUI, either during initial configuration or later. ...

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